Introduction

The ICN blueprint family intends to address deployment of workloads in a large number of edges and also in public clouds using K8S as resource orchestrator in each site and ONAP-K8S as service level orchestrator (across sites).  ICN also intends to integrate infrastructure orchestration which is needed to bring up a site using bare-metal servers. Infrastructure orchestration, which is the focus of this page, needs to ensure that the infrastructure software required on edge servers is installed on a per-site basis, but controlled from a central dashboard.  Infrastructure orchestration is expected to do the following:

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Openness: Openness is an open source reference toolkit that makes it easy to move applications from the Cloud to the Network and On-Premise Edge. Some components of Openness Network edge have been integrated. EAA (Edge Application Agent) which provides application/service registration and authentication in openness has been integrated via ONAP4K8S. What's more, we work with OpenNESS community to ensure that EAA address distributed applications that not only spread across nodes in one K8s clusters, but also across K8s clusters. For platform related microservices (Multus, SR-IOV CNI, SR-IOV Network Device Plugin, NFD, CMK), test cases of Openness have been integrated. 

Cloud Storage:

Cloud Storage (Cloud Storage Design) act as storage service and plugins, currently can divide into two parts:

1. Storage Service for Local controller: which used by BPA Rest Agent to provide storage service for image objects with binary, container and operating system. There are 2 solutions, MinIO and GridFS, with the consideration of Cloud native and Data reliability, we propose to use MinIO, which is CNCF project for object storage and compatible with Amazon S3 API, and provide language plugins for client application, it is also easy to deploy in Kubernetes and flexible scale-out. MinIO also provide storage service for HTTP Server. Since MinIO need export volume in bootstrap, local-storage is a simple solution but lack of reliability for the data safety, we will switch to reliability volume provided by Ceph CSI RBD in next release.

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2. Optane Persistent Memory plugin in KUD, which can provide LVM and direct volumes on Optane PM namespaces, since the Optane PM has high performance and low latency compared with normal SSD storage device, it can be used as cache, metadata volume or other high throughput and low latency scenarios.

Software components:

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